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In his book, Krauss surveys modern cosmology and what it says about the past and future universe.
Why some physicists think there can be more than one universe.
The Harvard physicist discusses her latest book, Knocking On Heaven’s Door.
New research indicates that a value thought to be a basic foundation of physics might vary from place to place in the universe.
In this month's Science Diction, we look at the origins of the word 'comet.'
The comet ISON, discovered by two amateur astronomers last year, will zoom past ...
The European Space Agency’s Philae lander is the first probe to touch down on a ...
The Rosetta spacecraft has detected the scent of a comet...and it stinks.
As Comet ISON skirts the sun, it could be destroyed—or emerge, even more spectac...
\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t